@article{KernHellebrandGoemmeletal.2012,
  author    = {J{\"u}rgen Kern and Hans J{\"u}rgen Hellebrand and Michael G{\"o}mmel and Christian Ammon and Werner Berg},
  title     = {Effects of climatic factors and soil management on the methane flux in soils from annual and perennial energy crops},
  journal   = {Biology and fertility of soils},
  volume    = {48},
  number    = {1},
  pages     = {1 -- 8},
  doi       = {10.1007/s00374-011-0603-z},
  year      = {2012},
}